Guardvibe runs on your own machine — the client starts it, so there is no endpoint to ping. 331 installs a week from npm. Last commit 14 Aug 2026.
Deterministic security layer your AI can't be. 462 rules, 39 tools, CLI + doctor + host audit.
What the code does
We read the source, 20 h ago · rules 3dff92dd89df
Things with no honest explanation: a promise that contradicts the code, code that runs at install time while hiding what it does, data leaving the machine.
/(?:(?:child_process|cp)[\s\S]*?(?:exec|execSync|spawn|spawnSync)|\.exec(?:Sync)?\s*\(|\.spawn(?:Sync)?\s*\(|os\.system|os\.popen|subprocess\.(?:call|run|Popen)|shell_exec)\s*\(\s*(?:`[^`]*\$\{|['"][^'"]*['"]\s*\+|f['"][^'"]*\{|.*(?:req\.|request\.|params\.|body\.|input|argv))/gi,
What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.
/(?:query|execute|raw|sql|all|run|get|exec|prepare|literal|QueryRow|QueryContext)\s*\(\s*(?:`[^`]*\$\{|(?:"[^"]*"|'[^']*')\s*\+\s*|f"[^"]*\{|f'[^']*\{|['"][^'"]*['"]\s*%\s*|['"][^'"]*['"]\s*\.format\s*\(|['"][^'"]*['"]\s*,\s*(?:req\.|request\.|params\.|body\.|args))|(?:=|re…
/(?:(?:child_process|cp)[\s\S]*?(?:exec|execSync|spawn|spawnSync)|\.exec(?:Sync)?\s*\(|\.spawn(?:Sync)?\s*\(|os\.system|os\.popen|subprocess\.(?:call|run|Popen)|shell_exec)\s*\(\s*(?:`[^`]*\$\{|['"][^'"]*['"]\s*\+|f['"][^'"]*\{|.*(?:req\.|request\.|params\.|body\.|input|argv))/gi,
…ss then follows the symlink when writing, placing attacker-controlled content at arbitrary filesystem locations (e.g. ~/.ssh/authorized_keys). Requires prompt injection to trigger, but the impact is full host compromise at the user's privileges.",
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
We found things in this code
Code changes quietly between releases, and nobody reads the diff of a dependency. We do, on every release — watch Guardvibe and you get told the day something new turns up.
Connect this server
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add guardvibe -- npx -y guardvibe{
"mcpServers": {
"guardvibe": {
"args": [
"-y",
"guardvibe"
],
"command": "npx"
}
}
}[mcp_servers.guardvibe]
command = "npx"
args = ["-y", "guardvibe"]{
"mcpServers": {
"guardvibe": {
"args": [
"-y",
"guardvibe"
],
"command": "npx"
}
}
}{
"mcpServers": {
"guardvibe": {
"args": [
"-y",
"guardvibe"
],
"command": "npx"
}
}
}Alternatives to Guardvibe
same job, measured the same waySelf-hosted MCP server: 26 deterministic dev, security, and EVM tools.
Deterministic, zero-token security scanner your AI agent calls to find and re-verify issues.
Validates AI-generated Python: syntax, lint, security scan and deterministic repair.
AI writes. SPARDA proves. Deterministic, offline security gate for AI edits.
AI writes. SPARDA proves. Deterministic, offline security gate for AI edits.
SupraWall security gateway for AI agents. Provides deterministic guardrails for MCP agents.
Security tools for AI agents: scan MCP servers, validate HDP delegation chains, audit releases.
BridgeGuard MCP Server - Cross-chain bridge security audit tools for AI coding agents. Scan bri...
Guardvibe — questions
Answers built from our own checks of this server.